fix skip/1 and debugging stuff

formatting

C/adtdefs.c

@@ -138,7 +138,7 @@ static inline Atom SearchAtom(const unsigned char *p, Atom a) {
   /* search atom in chain */
   while (a != NIL) {
     ae = RepAtom(a);
-    if (strcmp((char *)ae->StrOfAE, (const char *)p) == 0) {
+    if (strcmp(ae->UStrOfAE, p) == 0) {
       return (a);
     }
     a = ae->NextOfAE;

C/load_dl.c

@@ -201,7 +201,7 @@ static Int LoadForeign(StringList ofiles, StringList libs, char *proc_name,
       if (LOCAL_ErrorMessage == NULL) {
         LOCAL_ErrorMessage = malloc(MAX_ERROR_MSG_SIZE);
         strcpy(LOCAL_ErrorMessage,
-               "%% Trying to open unexisting file in LoadForeign");
+               "%% Trying to open non-existing file in LoadForeign");
       }
     }
 #ifdef __osf__